330 CTPRINID^. 



longer than the head, and not extending to the ventrals. Dorsal 

 spine strong. 



2. Leucisciis nut cho' no ides, Richardson, I. c. The height of the 

 body is one-seventh (one-sixth?) of the entire length, the length of 

 the head less than an eighth. Scales small. The dorsal commences 

 a little behind the front of the ventrals or in the middle of the length, 

 caudal excluded ; it equals the anal in the length of its base. — This 

 is a verj- doubtful species ; also the figure on which it is founded 

 cannot be found in our collection of M!S. drawings. 



91. PELECUS. 



Pelecus, Ayassiz, Mini. Soc. Sc. Nat. Neuchdt. i. 1835, p. 39. 



Body oblong, much compressed, the entire abdominal edge being 

 trenchant. Scales rather small; lateral line abruptly bent down- 

 wards behind the pectoral fin. Mouth directed upwards ; barbels 

 none. Dorsal fin short, without pungent spinc^ placed above the 

 anterior part of the anal ; anal fin long, many-rayed ; caudal fin 

 forked ; pectorals elongate ; ventrals well- developed. Gill-openings 

 verj- wide. Pharyngeal teeth in a double series, hooked. Intestinal 

 tract short. 



Eastern Europe. 



1. Pelecus cultratus. 



Sichel or Ziege (Germany) ; Skarbraxen (Sweden), 

 Marsil. Danub. Pun.-Mys. iv. p. 21, tab. 8. 

 • Cyprinus cultratus, L. Skdiiska Hesa, p. 81, tab. 2. fig. 1 ; Si/st. Nat. i. 



p. 531; Bl. Fische Deufsckl. i. p. 255, tab. 37; lieisincfer, I'isc, 



Hunq. p. 79 ; Meidinqer, tab. 25 ; Pallas, Zooqr. Ross.- As. iii. p. 331 ; 



Tiles. Mem. Ac. St. Petersh. iv. p. 461, tab. 15. figs. G, 7. 

 Esox, sp., Klein, Pise. Miss. v. p. 74^ tab. 20. fig. 3, 

 (yhela cultrata, Cav. Regne Anini. 

 Pelecus cultratus, Agussiz, I.e.; Kriiyer, Damn. Fish. iii. p. 511 ; 



Hcclicl c*j- Kner, Siisswasserf. p. 12G; Nordmann, in Dcmidoff Voy. 



Rttss. Mcrid. iii. p. 502, pi. 24. fig. 1 ; Sicbold, Siisswasserf. p. 152 ; 



Dt/hotcski, Cypi: Livlamh, p. 153 ; Muhnyreii, Wicym. Arch. xxx. 



p. "314. 

 Leuciscus cultratus, Cuv. i§- Vol. xvii. p. 330. 

 Abraniis cultratus, Nils. Skand. Faun. Fisk. p. 340. 



D. 9-10. A. 28-31. V. 9. L. lat. 92-108. L. transv. 14/G, 



Vert. 48. 



The height of the body is two-ninths of the total length (without 

 caudal), the length of the head one-fifth ; the diameter of the eye is 

 contained thrice and three-fourths in the length of the head. Sub- 

 oi'bitals very narrow. The maxillary does not extend to the vertical 

 from the front margin of the eye. Pectoral fin very long, nearly 

 one-third of the total length (without caudal), and nearly extending 

 to the base of the ventral. The first dorsal ray corresponds to the 

 eighth of the anal fiii. Coloration uniform. 



Pluiryngeal teeth 5 . 2—2 . 5, liookcd and slightly denticulated. 



tlastcrn Europe ; Baltic. 



